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Cummins/Onan — Starting the Set

Operation · Generating set

From a Cummins/Onan operator's manual covering: 40.0DDB-515R, 50.0DDB-15R, 50.0DDB-9XR. Check it applies to your exact model before use.

Applies to: Cummins/Onan 40.0DDB-515R, Cummins/Onan 50.0DDB-15R, Cummins/Onan 50.0DDB-9XR, John Deere 6329D engine, John Deere 6329D (300-6329D) engine

Procedure

  1. Verify crankcase filled.
  2. Verify cooling system filled and input solenoid valve open.
  3. Verify batteries charged and connected.
  4. Verify fuel solenoid valve open.
  5. Move run-stop/reset-remote switch to the run position.
  6. Observe oil pressure gauge; normal oil pressure is 45 to 65 psi.
  7. Check DC ammeter (10 to 30 amperes), AC voltmeter and frequency meter.

Specs & values

  • Normal oil pressure 45-65 psi
  • DC ammeter 10 to 30 amperes

Full service-parts list: Cummins/Onan 40.0DDB-515R →, Cummins/Onan 50.0DDB-15R →, Cummins/Onan 50.0DDB-9XR →, John Deere 6329D engine →, John Deere 6329D (300-6329D) engine →

Source: Cummins/Onan operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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